The area of a square is the length of one side squared. You first want to square root 100 which is 10. The perimeter of a square is all the sides added together. 10+10+10+10=40. There for your perimeter would be 40ft. Hope that made sense :)
Answer:what?>???
Step-by-step explanation:
Answer:
223
Step-by-step explanation:
find the area for each side.
2(-2.5)(-7.5) + 2(-2.5)^{2}
= 50